20414667477 has 8 divisors (see below), whose sum is σ = 28652164960. Its totient is φ = 12893474160.

The previous prime is 20414667461. The next prime is 20414667503. The reversal of 20414667477 is 77476641402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20414667477 - 2⁴ = 20414667461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414667437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179075974 + ... + 179076087.

It is an arithmetic number, because the mean of its divisors is an integer number (3581520620).

Almost surely, 2^20414667477 is an apocalyptic number.

It is an amenable number.

20414667477 is a deficient number, since it is larger than the sum of its proper divisors (8237497483).

20414667477 is a wasteful number, since it uses less digits than its factorization.

20414667477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358152083.

The product of its (nonzero) digits is 1580544, while the sum is 48.

The spelling of 20414667477 in words is "twenty billion, four hundred fourteen million, six hundred sixty-seven thousand, four hundred seventy-seven".